Semiconductor device
    6.
    发明授权

    公开(公告)号:US12159843B2

    公开(公告)日:2024-12-03

    申请号:US17472474

    申请日:2021-09-10

    Inventor: Daisuke Kawamura

    Abstract: A semiconductor device according to an embodiment includes a lower layer wiring and a dummy wiring arranged in a first hierarchy, a contact arranged in a second hierarchy above the first hierarchy and connected to the lower layer wiring, and first and second plate-like portions arranged in the second hierarchy, extending in a stacking direction of each layer belonging to the second hierarchy and in a first direction intersecting with the stacking direction, and sandwiching the contact in a second direction intersecting with the stacking direction and the first direction at a position away from the contact, and the dummy wiring has at least three edges arranged at respective positions overlapping with one of the first and second plate-like portions in the stacking direction, and an orientation in which at least one of the three edges intersects with the first or second plate-like portion differs as viewed from the stacking direction from orientations in which the other edges intersect with the first or second plate-like portion.

    SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR MEMORY DEVICE

    公开(公告)号:US20240341097A1

    公开(公告)日:2024-10-10

    申请号:US18746954

    申请日:2024-06-18

    Applicant: SK hynix Inc.

    Inventor: Nam Jae LEE

    CPC classification number: H10B43/27 H01L23/5226 H10B41/27 H10B41/40 H10B43/40

    Abstract: A semiconductor memory device, and a method of manufacturing the semiconductor memory device, includes a gate stacked body, an insulating layer overlapping the gate stacked body, a first source layer including a horizontal portion between the gate stacked body and the insulating layer and a protrusion extending from the horizontal portion so as to penetrate the insulating layer, a channel layer penetrating the gate stacked body and extending into the horizontal portion of the first source layer, a first memory pattern between the channel layer and the gate stacked body, and a second source layer disposed between the gate stacked body and the first source layer and coming in contact with the channel layer.

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